., more than hurricane katrina. >> we're looking for high risk cargo that comes into the country. >> reporter: this year the border patrol intercepted five insects never seen before in baltimore. some can be smaller than a grain of rice. >> you could have crops that are destroyed in the united states. you could have interception of a pest or plant product that can make people sick. >> reporter: just look at what the brown march march marma -- marmalated stink bug has done. the stink bug hit this mountain orchard hard this year. >> you can see when the stink bugs will have already sucked some of the juice out of the cell. >> reporter: he'll have to sell these apples for juice. >> it's more damage than i anticipated. >> reporter: and get the half the price he would for a good apple sold in stores. the problem with invasive pests like this is there are no natural predators here, so farmers have to spray to keep the crop damage down. that increases their cost, a cost which is passed on to you in the food you buy. >> how much does it cost me in money? gee, that's a million dollar question